Canal W-20 snakes through the high desert of Grant County, anchoring a landscape defined by industrial-scale agriculture and a precise grid of rural transit. In this portion of central Washington, the terrain is partitioned by an extensive network of numeric and alphabetic corridors, including Road 8.8 NW and Road 7 NW, which facilitate the movement of goods and equipment across the arid flats. The map illustrates the sophisticated irrigation infrastructure necessary for the region's productivity, with Dodson Rd N serving as a primary north-south artery. Small elevation changes are marked by contour lines that reveal the subtle drainage patterns feeding into the canal system, providing a clear view of how water management has fundamentally reshaped this section of the Columbia Basin.
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This is the sole edition of this map. No revisions or reprints were ever made.
1910 · Winchester
USGS Topo · 1:62,500
1912 · Moses Lake
USGS Topo · 1:62,500
1953 · Ritzville
USGS Topo · 1:250,000
1956 · Ephrata
USGS Topo · 1:62,500
1956 · Ephrata
USGS Topo · 1:24,000
1956 · Ephrata SW
USGS Topo · 1:24,000
1956 · Grant Orchards
USGS Topo · 1:24,000
1956 · Mae
USGS Topo · 1:24,000
1956 · Winchester SE
USGS Topo · 1:24,000
1956 · Winchester NE
USGS Topo · 1:24,000